Home / 10,263.13-14,165.78-6,687.89

Finding the Fourth Proportional to 10,263.13, 14,165.78 and 6,687.89

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Solution

The fourth proportional to 10,263.13, 14,165.78 and 6,687.89 is: 9,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.13 : 14,165.78 = 6,687.89 : x
  2. Step 2: Convert to fraction form
    10,263.13/14,165.78 = 6,687.89/x
  3. Step 3: Cross multiply
    10,263.13x = 14,165.78 × 6,687.89
  4. Step 4: Simplify right side
    10,263.13x = 94,739,178.40
  5. Step 5: Solve for x
    x = 94,739,178.40/10,263.13
  6. Step 6: Final answer
    x = 9,231.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.